This image of NGC 2623 shows two distant galaxies in the final stage of merging. They are ~300 million light years distant in the constellation Cancer.The tidal tails extend out 50,000 light years.
Details -
2016-11-30
20" f/4.1 telescope at the SDG observatory of Garry Sedun in Arizona.
TV Paracorr coma corrector and SBIG ST2000 XM camera.
Guidescope WO 80mm f/6.8 APO.
Mount - Paramount ME
Exposures - 240s each - 12 B. 13G, 14L, and 14 R with darks, flats and Bias frames as needed for calibration.